We are on the Historical Route, through the ancient capitals of Ethiopia. This is a popular tourist path to visit the country. We're not surprised to see lots of tourists at the sites, hotels and restaurants we're visiting. But what IS surprising is to see the same groups everywhere. There are the two Spaniards whose guide wears a Cuba cap. We've seen them multiple times at different restaurants in different cities. There is the group of Italians which we've been seeing a lot lately. There is the solo guy from Hong Kong who we saw on our second day, then again 5 days and hundreds of miles later. Four women…